<!DOCTYPE html>
<html>
    <head>
            <meta charset="utf-8">
            <title>Bootstrap 实例 - 选择框</title>
            <link rel="stylesheet" href="http://cdn.static.runoob.com/libs/bootstrap/3.3.7/css/bootstrap.min.css">  
            <script src="http://cdn.static.runoob.com/libs/jquery/2.1.1/jquery.min.js"></script>
            <script src="http://cdn.static.runoob.com/libs/bootstrap/3.3.7/js/bootstrap.min.js"></script>
    </head>
    <body>
        <form role="form">
            <div class="form-group">
                <label for="name">选择列表</label>
                <select  class="form-control">
                    <option>1</option>
                    <option>2</option>
                    <option>3</option>
                    <option>4</option>
                    <option>5</option>

                </select>
                <label for="name">
                    可选的选择列表
                </label>
                <select multiple class="form-control">
                    <option>1</option>
                    <option>2</option>
                    <option>3</option>
                    <option>4</option>
                    <option>5</option>
                </select>
            </div>

        </form>

    </body>
</html>